Naruto: The Chosen Undead - Chapter 37 - no. Dark Souls

Ethan was just an ordinary guy until he woke up in the world of his favorite novel, Gods’ Final Requiem.But this isn’t a story where the hero wins. It’s a tragedy where the protagonist falls, the world crumbles, and the Demi-Gods and Outer Gods consume everything.And now, Ethan is here weak, talentless, and completely insignificant. A nobody in a doomed world.Yet, when an Empire Academy Admission Letter lands in his hands bearing his name he realizes something is wrong.More than that, his status window hides two sealed abilities, something that never existed in the original story.This wasn’t supposed to happen.If the world is truly destined to fall… then maybe, just maybe, he can change it.But first, he has to survive

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

Even the most capable people cannot escape calamity. Zhang Ping, who dreamed of becoming the world’s best, voluntarily enters the palace to become a eunuch before his father has to resort to plundering and crime.

How can a prince be so thin and bony, that was Zhang Ping’s first impression of Huangfu Jie.

The prince looks at the kneeling eunuch, the scars and wounds on his body not yet healing.

Zhang Ping’s eyes turn red—I curse your ancestors for eighteen generations!

He is just little uglier; weirder than normal people.

Are ugly people not human? I, Zhang Ping, swear to cultivate the world’s second best over here in the palace!

- Description from Novelupdates

Instead of causing chaos with my knowledge of the original work, I assisted the protagonist.

I successfully completed the story and now planned to retire and live peacefully.

However, it seems the protagonist still needs my help.

An academy professor? That’s nothing much.

But why is the state of the academy so strange?”